2118932228 has 12 divisors (see below), whose sum is σ = 4237864512. Its totient is φ = 908113800.

The previous prime is 2118932177. The next prime is 2118932261. The reversal of 2118932228 is 8222398112.

It is a happy number.

2118932228 is an admirable number.

It is a super-3 number, since 3×2118932228³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2118932191 and 2118932200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37838048 + ... + 37838103.

It is an arithmetic number, because the mean of its divisors is an integer number (353155376).

Almost surely, 2^2118932228 is an apocalyptic number.

2118932228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2118932228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118932228 is a wasteful number, since it uses less digits than its factorization.

2118932228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75676162 (or 75676160 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 2118932228 is about 46031.8610095225. The cubic root of 2118932228 is about 1284.4159463806.

The spelling of 2118932228 in words is "two billion, one hundred eighteen million, nine hundred thirty-two thousand, two hundred twenty-eight".